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Finding the Fourth Proportional to 600.31, 900.48 and 210.31

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Solution

The fourth proportional to 600.31, 900.48 and 210.31 is: 315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.31 : 900.48 = 210.31 : x
  2. Step 2: Convert to fraction form
    600.31/900.48 = 210.31/x
  3. Step 3: Cross multiply
    600.31x = 900.48 × 210.31
  4. Step 4: Simplify right side
    600.31x = 189,379.95
  5. Step 5: Solve for x
    x = 189,379.95/600.31
  6. Step 6: Final answer
    x = 315.47

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.